Beam Carbon Steel Structural Ss400/Q235B/Q345b H Beam 100mm*50mm

This 100mm*50mm carbon steel structural H beam is a precision-engineered sectional profile, crafted from high-grade carbon structural steels including SS400, Q235B, and Q345B, designed to deliver reliable structural performance, stable mechanical properties, and exceptional processability for diverse light to medium-duty construction and engineering applications. Manufactured in strict compliance with relevant national and international standards, this standardized 100mm×50mm H beam features precise dimensional tolerances, uniform cross-sectional structure, and robust structural rigidity, serving as a cost-effective and versatile structural component that balances quality, functionality, and practicality for global construction and fabrication projects.

Material Specifications and Core Performance Characteristics

This structural H beam is available in three widely utilized carbon structural steel grades, each formulated to meet distinct load-bearing requirements, environmental adaptability, and construction standards, with uniform excellent weldability, ductility, and machinability to support seamless on-site processing and installation:

Q235B Carbon Structural Steel: As a mainstream general-purpose carbon steel grade complying with Chinese GB/T 700 standards, Q235B offers a minimum yield strength of 235MPa, featuring outstanding plasticity, toughness, and cost efficiency. It performs stably under normal atmospheric and temperature conditions, with minimal deformation during cutting, welding, and bending, making it the optimal choice for light-load auxiliary structural components and routine construction projects.

Q345B Low-Alloy High-Strength Steel: A high-performance low-alloy carbon structural steel under Chinese GB/T 1591 standards, Q345B boasts a minimum yield strength of 345MPa, delivering significantly enhanced load-bearing capacity, impact resistance, and fatigue durability compared to Q235B. It balances high structural rigidity and favorable ductility, suitable for medium-load structural members, supporting frames, and components requiring higher strength and stability.

SS400 Carbon Structural Steel: A widely adopted general carbon steel grade conforming to Japanese JIS G 3101 standards, SS400 features stable mechanical properties and exceptional processability, with a minimum yield strength of 235MPa. It offers consistent quality and high versatility, compatible with various processing techniques and connection methods, serving as a reliable option for cross-border construction and general structural applications.

100mm×50mm Sectional Specification and Structural Advantages

This H beam adopts a standardized 100mm×50mm sectional dimension, representing a compact and practical small-sized structural profile with a meticulously optimized cross-sectional design. The 100mm height and 50mm flange width configuration, paired with a reasonably thickened web, ensures uniform stress distribution, exceptional bending resistance, and moderate shear strength, perfectly catering to the load-bearing demands of light to medium-duty structural systems.

The classic H-shaped cross-section endows the profile with high section modulus and structural efficiency, maximizing load-bearing performance while minimizing material consumption and self-weight. The precisely controlled 100mm×50mm dimensions guarantee strict dimensional tolerances, smooth surface finish, and uniform specifications, enabling high interchangeability and seamless matching with other structural components. This compact size also facilitates convenient transportation, handling, and on-site installation, significantly improving construction efficiency for small-scale and refined engineering projects.

Manufacturing Quality and Processability

All 100mm×50mm carbon steel H beams are produced through advanced hot rolling technology, which refines the internal grain structure of the steel, eliminates metallurgical defects, and forms a dense and uniform material composition. Strict quality control measures are implemented throughout production, covering raw material inspection, rolling forming, dimensional calibration, and finished product testing, ensuring full compliance with relevant structural steel standards for mechanical properties and dimensional accuracy.

These carbon steel H beams exhibit exceptional comprehensive processability, supporting various conventional processing operations including cutting, drilling, welding, and surface treatment. The favorable ductility and weldability of the selected steel grades minimize the risk of cracking or deformation during processing, making the profile highly adaptable to customized fabrication and diverse connection methods, whether welded joints or bolted assemblies.

Application Scope and Practical Value

Leveraging reliable material properties, standardized dimensions, and versatile performance, this 100mm×50mm carbon steel structural H beam finds extensive application in a multitude of light to medium-duty engineering scenarios. It is widely utilized in building auxiliary supports, small-scale steel structure frames, machinery bases, furniture frameworks, decorative steel structures, pipeline supports, and various fabrication and construction projects requiring compact, high-strength structural components. Backed by three optional high-quality steel grades and a standardized compact size, it serves as a practical, economical, and dependable structural solution for both industrial production and daily construction needs.